15132640470500 has 96 divisors (see below), whose sum is σ = 37781336156928. Its totient is φ = 5186923776000.

The previous prime is 15132640470499. The next prime is 15132640470509. The reversal of 15132640470500 is 507404623151.

It is a super-2 number, since 2×15132640470500² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15132640470509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12332804 + ... + 13504196.

It is an arithmetic number, because the mean of its divisors is an integer number (393555584968).

Almost surely, 2^{15132640470500} is an apocalyptic number.

15132640470500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15132640470500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18890668078464).

15132640470500 is an abundant number, since it is smaller than the sum of its proper divisors (22648695686428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15132640470500 is a wasteful number, since it uses less digits than its factorization.

15132640470500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175110 (or 1175098 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 15132640470500 in words is "fifteen trillion, one hundred thirty-two billion, six hundred forty million, four hundred seventy thousand, five hundred".